Step-by-Step Async JavaScript with RxJS
RxJS is tremendously helpful in working with asynchronous code, but you’ve probably been stuck trying to use concepts you already know from Promises or Callbacks and applying them directly to RxJS. These lessons walk you through the step-by-step of building a simple game application with many asynchronous pieces. Each lesson focuses on a single operator or idea of how RxJS helps simplify your code
RxJSã§MVVMã‚„ã£ã¦ã‚‹ - @hadashiA
Rxã¯ã€ã™ã”ãUIを書ãã®ã«å‘ã„ã¦ã„ã‚‹ã®ã§ã¯ãªã„ã ã‚ã†ã‹ã€‚アプリケーションã®çŠ¶æ…‹ã‚’山盛りã®å¤‰æ•°ã§ç®¡ç†ã™ã‚‹ã“ã¨ã‹ã‚‰è§£æ”¾ã•ã‚Œã€çŠ¶æ…‹ã‹ã‚‰çŠ¶æ…‹ã¸å¤‰æ›ã™ã‚‹é–¢æ•°ã‚’書ã‘ã°ã‚ˆããªã‚‹ã‹ã‚‰ã€‚ éžåŒæœŸå‡¦ç†ã‚’åŒæœŸã£ã½ã書ããŸã„ãªã‚‰await ã§ã„ã„ã˜ã‚ƒã‚“。UIイベントを宣言的ã«æ›¸ããŸã‘れ㰠2-wayãƒã‚¤ãƒ³ãƒ‡ã‚£ãƒ³ã‚°ãŒã‚ã‚Œã°è‰¯ã„ã˜ã‚ƒã‚“。ã¨ã„ã†è©±ã§ã¯çµ‚ã‚らãšã€ãã®è¾ºã®å•é¡Œè§£æ±ºã«åŠ ãˆã¦ã€å€¤ã®ç™ºç”Ÿå™¨ã‚’å…¨ã¦åŒã˜å®£è¨€ã«ã¾ã¨ã‚られã€çŠ¶æ…‹å¤‰æ•°ãŒãªããªã‚‹ã¨ã“ã‚ãŒæ›¸ã„ã¦ã„ã¦æ¥½ã—ã„ã¨ã“ã‚ã§ã™ã€‚ // ãŸã¨ãˆã°ã€ã€ Observable.fromEvent(searchBox, 'input') // 検索窓ã«å—ãŒæ‰“ã¡ã“ã¾ã‚ŒãŸã‚‰ .debounce(500) // 0.5秒ã”ã¨ã« .map(e => e.target.value) // 入力ã•ã‚ŒãŸãƒ†ã‚ストを .filter(q => q.length > 0) // 1æ–‡å—以上ã®å ´åˆã
RxJSã§å‰¯ä½œç”¨ã‚’扱ã†ã«ã¯ã©ã†ã™ã‚‹ã‹ - Schedulerを交ãˆã¦ - saneyuki_s log
Rx.Scheduler Rxã«ã¯Schedulerã¨å‘¼ã°ã‚Œã‚‹ä¸»è¦æ¦‚念ãŒã‚ã‚‹. 値ãŒpushã§é£›ã‚“ã§ãã‚‹ã¨ã„ã†Rxã®ã‚¤ãƒ³ãƒ‘クトã®å¾Œã‚ã«éš ã‚ŒãŒã¡ãªSchedulerã§ã¯ã‚ã‚‹ãŒ, ã“ã‚Œã«ã‚ˆã‚Š, 処ç†ç³»ã®ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ¢ãƒ‡ãƒ«ï¼ˆä¸¦è¡Œæ€§ï¼‰ã¨æ™‚間軸ã«ã¾ã¤ã‚るタイミングã®åˆ¶å¾¡ã‚’統一的ã«æ‰±ãˆã‚‹ã‚ˆã†ã«ã—ã¦ã„ã‚‹. 後続ã¸ã®operatorã¸ã®å€¤ã®é€å‡ºã‚¿ã‚¤ãƒŸãƒ³ã‚°ã®åˆ¶å¾¡, Observableã®å‡¦ç†ã‚¹ãƒ¬ãƒƒãƒ‰ã®æŒ‡å®š, タイマーã®ãƒ¢ãƒƒã‚¯ã¸ã®å·®ã—替ãˆãªã©ãŒSchedulerã«ã‚ˆã£ã¦å®Ÿç¾ã•ã‚Œã¦ã„ã‚‹. ã•ã¦JavaScriptã®å ´åˆ, 原則的ã«ã¯å˜ä¸€ã‚¹ãƒ¬ãƒƒãƒ‰ã®ä¸–ç•Œã«ãªã‚‹. Javaã‚„.NETã®å ´åˆã¨ã¯é•ã„, Rxã®Schdulerã®å½¹å‰²ã¯å›žã‚Šç¶šã‘るイベントループ抽象ã¨ãªã‚‹. 永久ã«å›žã‚Šç¶šã‘るイベントループã®ä¸ã§, ã©ã®æ™‚点ã§å‡¦ç†ã‚’dispatachã™ã‚‹ã‹ãŒSchedulerã®å½¹ç›®ã . JavaScriptã®ä¸–ç•Œã«ã¯ãƒ¡ãƒ¢ãƒªç©ºé–“ã‚’å…±
RxJSã®ã„ã‚ã„ã‚雑感（2015å¹´8月末編） · GitHub
rx_for_js_matomme.md RxJSã®ã„ã‚ã„ã‚雑感（2015å¹´8月末編） Rx for JavaScriptã«ã¤ã„ã¦ã€è‰²ã€…触ã£ãŸçµè«–ã¨ã—ã¦ã¯ã“ã‚“ãªæ„Ÿã˜ ã‚ãã¾ã§ã‚‚ç¾æ™‚点ã®æ„Ÿæƒ³ãªã‚“ã§ã€ãã®ã†ã¡èªè˜ãŒå¤‰ã‚ã‚‹ã‹ã‚‚ JavaScriptã§Rxを使ã†äººã‚¿ãƒ¼ã‚²ãƒƒãƒˆãªã‚“ã§ã€ä»–ã®è¨€èªžportã«ã‚‚効ã話ã‹ã¯ã‚ã‹ã‚‰ãªã„ ç·è«– æ°—ã‚’ã¤ã‘ã‚‹ã“㨠FRPライブラリã§ã¯ãªã„（ã¨è€ƒãˆãŸæ–¹ãŒã„ã„） 世ã®RxJS紹介記事ã®å¤šãã¯Functional Reactive Programmingã®ãŸã‚ã®ãƒ©ã‚¤ãƒ–ラリã§ã‚り関数型ãƒãƒªãƒãƒªã®ã‚ˆã†ã«èªžã£ã¦ã„る事例ãŒã‚ã‚‹ãŒã€ä¿¡ã˜åˆ‡ã£ã¦æ›¸ãã¨ãƒã‚¯ãªã“ã¨ã«ãªã‚‰ãªã„ã®ã§ã€ã€Œé›°å›²æ°—ãŒä¼¼ã¦ã‚‹ã€ç¨‹åº¦ã«æ€ã†ç¨‹åº¦ãŒã¡ã‚‡ã†ã©ã„ã„ It is sometimes called “functional reactive programming†but this is a misnomer. Re
Good bye Flux, welcome Bacon/Rx?
Facebook introduced Flux about a year ago for client-side web application building and since then it has become one of the hottest tech in the web development scene. The task of Flux is to isolate business logic from the user interface logic by using dispatcher, stores and actions. The core idea is the unidirectional data flow which means that actions are propagated through the entire system in re
RxJSã‚’ã‚‚ãã‚‚ãã—ã¦ReactivePropertyã®ä¾¡å€¤ã‚‰ã—ãã‚‚ã®ã‚’æ°—ã¥ã‹ã•ã‚ŒãŸè©±ï¼ˆä»®ï¼‰ - saneyuki_s log
Reactive Extensions JS port（RxJS）をもãã‚‚ãã—ã¦ã„ãŸçµæžœã€C#界隈ãŒReactive Propertyを作り出ã—ãŸç†ç”±ãŒï¼ˆãªã‚“ã¨ãªã）ã‚ã‹ã£ã¦ããŸã€‚ Rxã®æµå„€ã«ã®ã£ã¨ã‚Œã°ã€ã‚る値を使ãŠã†ã¨ã™ã‚‹å ´åˆã€ãã®å€¤ã‚’生æˆã™ã‚‹Observableã®çµæžœã‚’å—ã‘ã¦ã€ãã®Observableã‚‚åŒæ§˜ã«â€¦â€¦ã¨Observableã®ä¾å˜é–¢ä¿‚を作ã£ã¦ã„ãå¿…è¦ãŒã‚る。 Rx.Observable.do()メソッドä¸ã«ã€é–¢æ•°å¤–ã®ã‚°ãƒãƒ¼ãƒãƒ«å¤‰æ•°ãªã©ã‚’副作用ãªmutateã‚’ã•ã›ã¦ã‚‚ã„ã„ãŒã€ã“ã‚Œã¯åŸºæœ¬çš„ã«ã‚ˆã‚ã—ããªã„。Rxã§å®Ÿè¡Œã•ã‚Œã‚‹å„ObserverãŒã€ä¸€ä½“ã©ã®ã‚¿ã‚¤ãƒŸãƒ³ã‚°ãŒå‹•ä½œã™ã‚‹ã‹ã®é †åºä¿è¨¼ãŒæœ¬æ¥çš„ã«ã¯å˜åœ¨ã—ãªã„ãŸã‚ã 。イベントループãŒã²ã¨ã¤ã—ã‹ãªã„ & Workerã¯å®Œå…¨ã«ãƒ¡ãƒ¢ãƒªç©ºé–“ãŒåˆ†å‰²ã•ã‚ŒãŸã‚¢ã‚¯ã‚¿ãƒ¼ãƒ©ã‚¤ã‚¯ & Rx.Schedulerã‚‚DOMã®ã‚¤ãƒ™ãƒ³ãƒˆãƒ«ãƒ¼ãƒ—原則ã«å‰‡ã‚‹JavaScr
æŒèˆžä¼Žåº§Tech Rx会
13. _result1 = null; _result2 = null; _apiLoader.addEventListener(onLoad); _apiLoader.load(url); function onLoad(event){ _result1 = event.target.data; _apiLoader.removeEvent(onLoad); _apiLoader.addEventListener(onNext); _apiLoader.load(url); } function onNext(event) { _result2 = event.target.data; _apiLoader.removeEvent(onNext); } 一般的ãªEventListener例 ãã®2 APIã‚’é †ç•ªã«2㤠リクエストã™ã‚‹å ´åˆ 14. _result1 = null; _re
Observable Everywhere - Rxã®åŽŸå‰‡ã¨UniRxã«ã¿ã‚‹ãƒ‡ãƒ¼ã‚¿ã‚½ãƒ¼ã‚¹ã®è¦‹ã¤ã‘æ–¹
2. @neuecc - Who, Where, When 2009/04 linq.js – LINQ to Objects for JavaScript https://linqjs.codeplex.com/ ã“ã®é ƒã‹ã‚‰ãšã£ã¨LINQを追ã„ã‹ã‘ã¦ã‚‹ 2009/09/04 最åˆã®Rx記事ã€ä»¥é™ç¾åœ¨ã¾ã§70以上ã¯æ›¸ã„ã¦ã‚‹ http://neue.cc/category/programming/rx/ 2011/04~ Microsoft MVP for .NET(C#) 野良C#エヴァンジェリスト（ç¾åœ¨ã‚‚継続ä¸ï¼‰ 3. @Work, @LINQ 2012/10~ æ ªå¼ä¼šç¤¾ã‚°ãƒ©ãƒ‹ å–ç· å½¹CTO 「神ç„ã®ãƒ´ã‚¡ãƒ«ãƒãƒ©ã‚²ãƒ¼ãƒˆã€ã€Œãƒ¢ãƒ³ã‚¹ã‚¿ãƒ¼ãƒãƒ³ã‚¿ãƒ¼ãƒã‚¢ã‚ªãƒ–カード〠サーãƒãƒ¼/クライアント共ã«ã€Œæœ€å…ˆç«¯ C# 技術を使ã£ãŸã€ã‚²ãƒ¼ãƒ 開発 C# 5.0 + .NET Framework 4.5 + ASP
æŒèˆžä¼Žåº§tech発表資料 RxJSã®ä¸ã‚’追ã†
7. ã¾ãšã¯ã“ã®å•é¡Œã®ã‚³ãƒ¼ãƒ‰ã‚’御覧ãã ã•ã„ “side effectâ€ã¯ä½•å›žè¡¨ç¤ºã•ã‚Œã‚‹ã‹ï¼Ÿ var rx = require("rx"); var s = new rx.Subject(); var stream = s.tap(function(){console.log("side effect");}); stream.subscribeOnNext(function(){}); stream.subscribeOnNext(function(){}); s.onNext("foo"); ã¡ã‚‡ã£ã¨èªã¿ã«ãã„ã®ã§å›³ã«ã—ã¾ã™
「RxJSã€åˆå¿ƒè€…入門 - JavaScriptã®éžåŒæœŸå‡¦ç†ã®å¸¸è˜ã‚’変ãˆã‚‹ãƒ©ã‚¤ãƒ–ラリ | æ ªå¼ä¼šç¤¾LIG(リグ)｜DX支æ´ãƒ»ã‚·ã‚¹ãƒ†ãƒ 開発・Web制作
ã“ã‚“ã«ã¡ã¯ã€çŽ‹ã§ã™ã€‚ ã¿ãªã•ã‚“ã€ã€ŒRxJSã€ã‚’ã”å˜çŸ¥ã§ã—ょã†ã‹ï¼Ÿ ã™ã”ã大雑把ã«è¨€ã†ã¨ã€RxJSã¨ã¯éžåŒæœŸå‡¦ç†ï¼ˆãƒžã‚¦ã‚¹ã‚¯ãƒªãƒƒã‚¯ãªã©ã®ã‚¤ãƒ™ãƒ³ãƒˆãƒ™ãƒ¼ã‚¹ã®å‡¦ç†ã‚‚å«ã‚る）をã™ã‚‹ã¨ãã«è¶…絶便利ãªãƒ©ã‚¤ãƒ–ラリã§ã™ï¼ イメージã—ã‚„ã™ã„よã†ã«ã€Œä¾¿åˆ©ã€ã¨ã¯è¨€ã„ã¾ã—ãŸãŒã€æ±ºã—ã¦ã€Œä¾¿åˆ©ã€ã¨ã„ã†è¨€è‘‰ã§ã¯ãŠã•ã¾ã‚‰ãªã„ãらã„ã®ã‚¤ãƒ³ãƒ‘クトãŒã‚ã‚‹ã¨æ€ã„ã¾ã™ã€‚ã¡ã‚‡ã£ã¨ã—ãŸã€Œã‚¤ãƒŽãƒ™ãƒ¼ã‚·ãƒ§ãƒ³ã€ã«è¿‘ã„感覚ã§ã™ã€‚ 今回ã¯ã€RxJSã‚’å…¨ã知らãªã„åˆå¿ƒè€…ã§ã‚‚ã¨ã£ã¤ãã‚„ã™ã„よã†ã«èª¬æ˜Žã—ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚å°‘ã—記事ãŒé•·ããªã‚Šã¾ã™ãŒã€æœ€å¾Œã¾ã§ãŠèªã¿ã„ãŸã ã‘ã‚Œã°å¹¸ã„ã§ã™ï¼ 目次 ReactiveXã«ã¤ã„㦠éžåŒæœŸå‡¦ç†ã®å•é¡Œç‚¹ RXã¨ã€ŒObserverパターン〠ウォーミングアップ イベントをé…列ã®ã‚ˆã†ã«æ“る？ Stream（ストリーム） ストリームをæ“作ã™ã‚‹ã€Œã‚ªãƒšãƒ¬ãƒ¼ã‚¿ãƒ¼ã€ オペレーションãƒã‚§ãƒ¼ãƒ³ Observerã¨Observable Col
Introducing the Observable
In this lesson we will get introduced to the Observable type. An Observable is a 'collection that arrives over time'. Observables can be used to model events, asynchronous requests, and animations. Observables can also be transformed, combined, and consumed using the Array methods we learned in the previous lessons. We can write powerful and expressive asynchronous programs using the few simple me
Reactive MVC and the Virtual DOM
The web frontend scene is witness to many new frameworks and ways of working. It can be quite annoying when software becomes legacy quicker than ever. But actually, it's just good old innovation happening as it should, because the opportunities for improvement are there. Frameworks come and go, but what remains are the good ideas that they brought to the world. We're going to talk about the good i
1
リリースã€éšœå®³æƒ…å ±ãªã©ã®ã‚µãƒ¼ãƒ“スã®ãŠçŸ¥ã‚‰ã›
最新ã®äººæ°—エントリーã®é…ä¿¡
j次ã®ãƒ–ックマーク
kå‰ã®ãƒ–ックマーク
lã‚ã¨ã§èªã‚€
eコメント一覧を開ã
oページを開ã
GitHub - jas-chen/rx-redux: A reimplementation of redux using RxJS.
GitHub - ericelliott/irecord: An immutable store that exposes an RxJS observable. Great for React.
Clean Architectureã§è¨è¨ˆã—ã¦RxJSを使ã£ãŸè©±
ECMAScript7を見æ®ãˆãŸã€JavaScript(TypeScript)ã§ä½¿ãˆã‚‹FRPライブラリã®æ¯”較調査 - Qiita
{{#tags}}- {{label}}
{{/tags}}